/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.sentry;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Locale;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * ILogger implementation to System.out.
 *
 * @since 2021-06-02
 **/
public final class SystemOutLogger implements ILogger {
    /**
     * Logs to console a message with the specified level, message and optional arguments.
     *
     * @param level The SentryLevel.
     * @param message The message.
     * @param args The optional arguments to format the message.
     */
    @SuppressWarnings("AnnotateFormatMethod")
    @Override
    public void log(
        final @NotNull SentryLevel level,
        final @NotNull String message,
        final @Nullable Object... args) {
        System.out.println(String.format(Locale.ROOT,"%s: %s", level, String.format(message, args)));
    }

    /**
     * Logs to console a message with the specified level, message and throwable.
     *
     * @param level The SentryLevel.
     * @param message The message.
     * @param throwable The throwable to log.
     */
    @SuppressWarnings("AnnotateFormatMethod")
    @Override
    public void log(
        final @NotNull SentryLevel level,
        final @NotNull String message,
        final @Nullable Throwable throwable) {
        if (throwable == null) {
            this.log(level, message);
        } else {
            System.out.println(
                String.format(Locale.ROOT,
                    "%s: %s\n%s",
                    level, String.format(message, throwable.toString()), captureStackTrace(throwable)));
        }
    }

    /**
     * Logs to console a message with the specified level, throwable, message and optional arguments.
     *
     * @param level The SentryLevel.
     * @param throwable The throwable to log.
     * @param message The message.
     * @param args The optional arguments to format the message.
     */
    @SuppressWarnings("AnnotateFormatMethod")
    @Override
    public void log(
        final @NotNull SentryLevel level,
        final @Nullable Throwable throwable,
        final @NotNull String message,
        final @Nullable Object... args) {
        if (throwable == null) {
            this.log(level, message, args);
        } else {
            System.out.println(
                String.format(
                    "%s: %s \n %s\n%s",
                    level,
                    String.format(message, args),
                    throwable.toString(),
                    captureStackTrace(throwable)));
        }
    }

    @Override
    public boolean isEnabled(final @Nullable SentryLevel level) {
        return true;
    }

    private @NotNull String captureStackTrace(final @NotNull Throwable throwable) {
        StringWriter stringWriter = new StringWriter();
        PrintWriter printWriter = new PrintWriter(stringWriter);
        throwable.printStackTrace(printWriter);
        return stringWriter.toString();
    }
}
